[TASK] gitlab-ci: PHP 8.0 unit test nightlies min/max

Needs a phpdocumentor/type-resolver raise:
composer req phpdocumentor/type-resolver:^1.4

Change-Id: Iffecb88d34a4c04816eff5543611192fcc3b8296
Resolves: #94063
Releases: master
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/69018


Tested-by: core-ci <typo3@b13.com>
Tested-by: Daniel Goerz <daniel.goerz@posteo.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Daniel Goerz <daniel.goerz@posteo.de>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>